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Subject: [PATCH, RESEND] drm: exynos: avoid unused function warning

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When CONFIG_PM is not set, we get a warning about an unused function:

drivers/gpu/drm/exynos/exynos_drm_gsc.c:1219:12: error: 'gsc_clk_ctrl' defined but not used [-Werror=unused-function]
 static int gsc_clk_ctrl(struct gsc_context *ctx, bool enable)
            ^~~~~~~~~~~~

This removes the two #ifdef checks in this file and instead marks the
functions as __maybe_unused, which is a more reliable way of doing the
same, allowing better build coverage and avoiding the warning above.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
This commit is contained in:
Arnd Bergmann 2016-09-18 22:51:38 +09:00 committed by Inki Dae
parent b05984e21a
commit 4158dbe1be
1 changed files with 2 additions and 4 deletions
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6
drivers/gpu/drm/exynos/exynos_drm_gsc.c
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@ -1760,8 +1760,7 @@ static int gsc_remove(struct platform_device *pdev)
return 0;
}
#ifdef CONFIG_PM
static int gsc_runtime_suspend(struct device *dev)
static int __maybe_unused gsc_runtime_suspend(struct device *dev)
{
struct gsc_context *ctx = get_gsc_context(dev);
@ -1770,7 +1769,7 @@ static int gsc_runtime_suspend(struct device *dev)
return gsc_clk_ctrl(ctx, false);
}
static int gsc_runtime_resume(struct device *dev)
static int __maybe_unused gsc_runtime_resume(struct device *dev)
{
struct gsc_context *ctx = get_gsc_context(dev);
@ -1778,7 +1777,6 @@ static int gsc_runtime_resume(struct device *dev)
return gsc_clk_ctrl(ctx, true);
}
#endif
static const struct dev_pm_ops gsc_pm_ops = {
SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,